Suit SB Chev 305-307-327-350 L/J 3/8 In Wave-Loc Arp2000. Set Of 16. ARP Pro Series Wave-Loc Rod Bolts Have A Symmetrical Wave On The Shank That Eliminates Stress Risers. They Also Have A .0005 To .0070 In. Interference Fit To Guarantee Rod Cap Alignment And Strengthen The Connecting Rod. Made From Arp2000 Alloy With A Tensile Strength Of About 220 000 Psi These Pro Series Bolts Can Handle More Than 12 000 Lbs. Of Clamping Force. Nuts And Lubricant Are Included.